resolver-and-loader.js

// resolve functions
{
  Query: {
    person: (obj, { id }) => loaders.user.byId(id)
  }
}

// loaders
{
  user: {
    byId(id){
      return rp(`https://some-backend.com/person/${id}`)
             .then( res => JSON.parse(res) );
    }
  }
}